Wadatacce
- iyakacin duniya bear
- Yadda ake tsira daga sanyi
- Ka'idoji kan yadda belar dusar kankara ta tsira a cikin sanyi godiya ga furinta
Kai iyakacin duniya bear ba wai kawai suna daya daga cikin kyawawan dabbobin duniya ba, har ila yau suna daya daga cikin mafi ban sha'awa a kimiyance. Waɗannan beyar suna zaune a cikin Arctic Circle, suna tsira daga ɗayan mawuyacin yanayi a duniyarmu.
Ga tambaya: yadda dabbar belar ke rayuwa cikin sanyi na Arctic pole. Masana kimiyya sun shafe shekaru da yawa suna bincike kan yadda wannan dabbar ke sarrafa adana zafi. A cikin wannan labarin ta PeritoAnimal, za mu gabatar muku da dabaru daban -daban da suka fito don amsa wannan ƙalubalen.
iyakacin duniya bear
Polar bear, wanda kuma aka sani da Farin Bear, Dabba mai cin nama na gidan Ursidae, musamman, Ursus Maritimus.
Beyar ce da ta fi tsawo tsawo da kafafu kafafu. Nauyin maza yana tsakanin kilo 300 zuwa 650, kodayake akwai sanannun lokuta da suka kai nauyi mafi girma.
Mata ba su da nauyi sosai, kusan rabi. Koyaya, lokacin da suke da juna biyu, dole ne su yi ƙoƙarin adana kitse mai yawa, kamar yadda zai kasance daga wannan kitse da ke tsira yayin daukar ciki da farkon watanni na rayuwar zuriyar.
Ko da yake yana iya tafiya, yana yin hakan a hankali, yayin da belar belar ta ji daɗin ninkaya. A zahiri, suna iya iyo daruruwan kilomita.
Kamar yadda muka fada a baya, da polar bears masu cin nama ne. 'Yan lokutan da suke fitowa, yawanci farauta ne. Mafi yawan abin da suke ganima shine hatimi, walrus belugas ko samfuran samari na walruses.
Yadda ake tsira daga sanyi
Kamar yadda zaku iya tunanin, ɗaya daga cikin abubuwan da ke haifar da dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabbar dabino ta iya tsira a cikin sanyi ba shine gashin ku. Ko da yake wannan bayani ya yi sauki.
A ƙarƙashin fatar belar polar akwai a kauri mai kauri wanda ke kare su daga sanyi. Sannan, kamar sauran dabbobi masu shayarwa a wannan yanki, gashinsu ya kasu kashi biyu: na baya da na waje. Layer na waje ya fi ƙarfi don kare siririn ciki da ɗimbin yawa. Duk da haka, kamar yadda za mu gani daga baya, an ɗauki fur ɗin belar dutsen a matsayin abin al'ajabi dangane da kamawa da riƙe zafi.
Wani abin da ke cikin ilimin halittar jikinsu wanda ke taimakawa adana zafi shine nasu m kunnuwa da ƙananan wutsiyarsa. Ta samun wannan tsari da siffa, suna iya gujewa asarar zafin da ba dole ba.
Ka'idoji kan yadda belar dusar kankara ta tsira a cikin sanyi godiya ga furinta
Ba a nuna takamaiman yadda bears na iya shawo kan irin wannan matsanancin yanayin zafi ba, kodayake kusan dukkanin hasashe suna da alaƙa da:
- Kama zafi
- riƙewa
Studyaya daga cikin binciken yana goyan bayan cewa iyakacin duniya bear fur ne m, Bayan m. Muna ganin farin fur ɗin yayin da yake nunawa a cikin yanayin da ke kewaye da shi. Yana da ban sha'awa tunda, a gefe guda, fatarsu baƙar fata ce.
Da farko, gashin zai kama hasken infrared na rana, to ba za a fayyace yadda, zai watsa su ga fata ba. Ayyukan gashi zai kasance don riƙe zafi. Amma akwai ƙarin theories:
- Ofaya daga cikinsu yana iƙirarin cewa gashin yana kama kumfar iska a cikin muhallin. Waɗannan kumfa suna juyawa zuwa cikin mayafi mai kariya wanda zai kare ku daga sanyi.
- Wani kuma ya ce fatar belar belar tana fitar da raƙuman ruwa na electromagnetic wanda zai zafi beyar.
Amma ba shakka, duk hasashe ne. Abu daya da masana kimiyya suka yarda shi ne cewa bears na polar na da ƙarin matsaloli tare da zafi fiye da daskarewa. Don haka, ɗayan manyan barazanar wannan nau'in shine ɗumamar duniyarmu saboda gurɓatawa.
Idan kun kasance masu son beyar kuma kuna son ƙarin sani game da sauran nau'ikan wannan dabbar mai shayarwa mai ban mamaki, kada ku rasa labarinmu wanda ke magana game da ciyar da dabbar panda.
